CN2073430U

CN2073430U - Improved presser of sewing machine

Info

Publication number: CN2073430U
Application number: CN 89206343
Authority: CN
Inventors: 李坤镕
Original assignee: Individual
Current assignee: Individual
Priority date: 1989-04-19
Filing date: 1989-04-19
Publication date: 1991-03-20

Abstract

The utility model discloses an improved presser of a sewing machine which is provided with an end-face fixed-point rotary roller group making the pushing operation smoother. The utility model provides with a guiding device in matched way and the guiding device can guide to make the cloth go ahead along the straight line direction. The end face of the pressing board of the lower end of a presser is provided with at least a long type gutter hole according to the different requirements. The long type gutter hole is provided with at least a rotary roller group to reduce the friction force of the sewed cloth or leather so as to make the going ahead process of the sewed cloth and leather smoother. One side of the bottom part of the pressing board can be integral forming or can be provided with one guiding device in parallel way; the guiding device can also provided with the roller group to make the edge of the sewed cloth have reference for going ahead and make the sewed cloth edge or leather edge keep accordance with the sewed line not to depart from the sewed line; therefore, the utility model can reach the effect of smooth and convenient operation.

Description

Improved presser of sewing machine

The utility model relates to a kind of structure improved sewing-machine foot, be intended to improve traditional sewing-machine foot and cause the promotion that has some setbacks because of frictional force in the sewing propelling, when particularly the cloth that sewing is thicker (skin) is expected, the accurate position of any guiding of tool and not when sewing simultaneously with the visual uneven shortcoming of tape edge deflection that easily causes, be on the pressing plate of sewing-machine foot, to install at least one group wheels, slick and sly end face by wheels, when making sewing cloth through pressing plate, frictional force reduces and slides more swimmingly, then be provided with a guiding device in the bottom of this pressing plate one side or lateral margin again, make the selvedge of sewing or Pi Bianneng in a dependence,, make the thread linear state as the foundation of advancing.

During the Sewing machines sewing, the propelling of cloth or cladding relies on upper and lower pay-off to carry out fully, can be pushed into reposefully for cloth or the cladding that makes sewing therebetween, all sewing cloth is flattened in advance with a presser feet, this presser feet itself is a pressing plate and the connecting rod Joint that mat one has elasticity, is subjected to the upper and lower displacement of connecting rod to make it pressured on by sewing cloth.Yet, known presser feet is on practical operation is used, often only be even surface moulding and have an elastic acting force because of presser feet, when causing sewing cloth or cladding pushed, be subjected to the roof pressure generation frictional force of presser feet to cause having some setbacks of propelling, more obvious during especially with some thicker and coarse cloth matter of sewing, cortex.Afterwards, be that the material of people with teflon arranged, its design is placed on the presser feet, the characteristic of mat teflon smooth abrasion-proof is pushed sewing cloth or cladding swimmingly.Certainly, the people is also arranged in other lubricated modes, as: lubricating oil, be applied directly to presser feet and get off to reach smooth and easy that sewing cloth or cladding are pushed into, but, no matter with teflon or other lubricating systems, it is regular running stores, easily says it, with the lubricated increase that has on its use cost of these modes, moreover, the smooth property of teflon material is also very limited, the situation that has some setbacks so still have friction, in addition, the use of lubricating oil then easily causes the pollution to cloth (skin) material surface and thread periphery, and is dealer institute dirt disease.

Moreover, the presser feet of general Sewing machines, its effect terminates in and leans sewing cloth or cladding, there is no other effect, and it is well-known, at cloth or cladding certain sewing limit is arranged during in sewing, directly guide sewing, make its sewing limit unanimity not inclined to one side with the lines that visual cooperation hand is drawn a design along work by the genealogy of law of doing of tradition, but strictly say, the thread of so making then sees individual's proficiency entirely and decides, and in fact also can't reach consistent, and therefore the uneven situation of deflection is often arranged.

Be with, main purpose of the present utility model is to provide the sewing-machine foot of the high lubricant effect of a kind of tool, uses to make the smooth and easy of sewing cloth or cladding sewing.

Being to be to provide a kind of presser feet that guiding sewing cloth or cladding sewing advance that has with, another purpose of the present utility model, is to make the sewing limit can have foundation of a spacing to advance, when making sewing with accurately, make things convenient for.

According to sewing-machine foot of the present utility model, owing to have guiding, accurate and convenient when making sewing.

Now with regard to structure of the present utility model and principle of work and power conjunction with figs., enumerate preferable embodiment and be described in detail as follows, make the utility model more clear:

Below, the accompanying drawing of being quoted in this specification is carried out simple explanation, wherein:

Fig. 1 is the three-dimensional exploded view of the utility model one embodiment.

Fig. 2 is the constitutional diagram of the utility model one embodiment.

Fig. 3 is the utility model combination schematic diagram of an embodiment again.

Fig. 4 is the three-dimensional exploded view of the another embodiment of the utility model.

Fig. 5 is the constitutional diagram of the another embodiment of the utility model.

Fig. 6 is the combination schematic diagram of wheels one embodiment of the present utility model.

Fig. 7 is the three-dimensional structure diagram of another embodiment of wheels of the present utility model.

See also shown in each figure, be to comprise known pressing plate 1, assemblies such as one pivoted pole and an elastomer 3, wherein 1 of this pressing plate has various different types persons such as unilateral, bilateral formula according to applicable requirements, and its width area is also decided with its sewing face, and this pressing plate is to be articulated in pivoted pole 2 one ends simultaneously, the end in addition of its bar 2 then with head of sewing machine winding interlock, elastomer then is arranged between pressing plate and pivoted pole in addition, and elastic reaction is in pressing plate 1; The improvement of relevant this creation sewing-machine foot again:

Head sees also shown in Figure 1, this pressing plate (1) is a bilateral formula, promptly being equiped with one supplies sewing-needle to advance, the hole slot that goes out (11), two side positions at hole slot (11) then offer a slotted eye (12) to the rear side extension, this slotted eye of mat (12) is offered to fit and can be distinguished corresponding installing some wheels (13), promptly should give pin joint with latch (14) and fix (as shown in Figure 2) by the hollow wheel tube of wheels (13), again in the bottom of this pressing plate 1 lateral margin and leftward position thereof, but one is provided with a flange 150 highlightedly, form a potential difference with the baseplane that protrudes in pressing plate 1, and be a guiding device 15(as shown in Figure 2), make the selvedge or the skin limit of being stitched that the foundation of advancing be arranged, and have function lubricated and guides align respectively, when in sewing cloth or cladding, cloth or cladding can be fixed against on the flange (150), pressing plate (1) is pressed against on cloth or the cladding, then cloth or cladding can be taken advantage of a situation very swimmingly under low friction by wheels (13) and be advanced; And a neat thread is arranged, reach effect easy for operation and that sewing is smooth and easy.

See also shown in Figure 3 again, embodiment again for the utility model, its pressing plate (10) is a unilateral, also offer microscler slotted eye (12) on its end face, with the wheels (13) of installing some quantity, it is less slightly that only it is provided with the then more bilateral formula of quantity, and also be provided with flange (15) in the bottom, and can reach identical effect.

Above-mentioned again guiding device (15) can also cooperate spring (152) by a batten (151), elasticity is mounted on pressing plate (1) lateral margin and is parallel but summary protrusion state, reach the effect of guiding (as Fig. 4 to form a Space Based on Distinct Position, shown in 5) simultaneously for cooperating the actual demand that goes up of using, can offer a strip hole (153) at the end face of this batten (151), and group is established at least one wheel body (154), in order to do providing when using such as cloth (skin) material part reflexed and lap seam when the large tracts of land part, this batten (151) is just falling to placing on cloth (skin) material, the resistance that does not also have tradition causes and advances the situation that has some setbacks, and still can keep the effect of slick and sly smooth and easy propelling.

The wheels of the utility model (13) are except that above-mentioned set-up mode, for make its have more excellent move smooth and easy, can be with the above-mentioned wheels with hollow wheel tube (13), substitute wheels (130) with the glomeration body, be hubbed in the arc-shaped slot (120) that pressing plate (1) end face offers, make these wheels (130) be contained the location, and energy smooth and easy rotation (as shown in Figure 6), provide pressing plate (1) smooth and easy and steady when the compress material advances.

Other sees also shown in Figure 7, be another embodiment of the utility model wheels, the slotted eye (121) offered of this pressing plate (1) end face wherein, the contour one of one side is opened and is lead mouthful (122) that the spacing state is offered some small sizes, and suitably highly be horizontal axis in slotted eye (121) interior sidewall surface and offer the small cylindrical tank (123) that some correspondences are led mouthful (122) quantity and position, and fit and can corresponding two sides extend wheels (131) the pivot dress with pivot (135), promptly the small cylindrical tank (123) that is installed in by one side pivot (135) is the axle center, and wheels (131) can be rotated flexibly, reach the effect that smooth and easy pressure is moved.

Claims

1, a kind of sewing-machine foot is to include:

One group of pressing plate, this pressing plate can be bilateral formula or unilateral or other pattern moulding, and become the width area different according to applicable requirements, be provided with in addition on it sewing-needle into and out of hole slot;

One pivoted pole, one end and above-mentioned pressing plate articulate, and the other end then engages with the head of sewing machine connecting rod, on the mat machine head connecting rod, bottom offset, drives this pressing plate, makes it pressured on sewing cloth or cladding; And

One elastomer is to be located between pressing plate and the pivoted pole, makes this pressing plate that one suitable compressing elasticity must be arranged,

It is characterized in that:

Offer at least one group slotted eye on this pressing plate, but fit the wheels of at least one group of corresponding intrument, when making sewing cloth through pressing plate, frictional force reduces and smooth and easy sliding is arranged, and reaches the steady effect that sewing cloth or cladding are pushed into; At the bottom of pressing plate one side or the parallel guiding device that is provided with of lateral margin, make the selvedge of sewing or Pi Biande that the foundation of advancing be arranged again, make the thread unanimity partially and make manipulate more convenient.

2, the sewing-machine foot of the improvement described in claim 1, its feature can advance the selvedge of sewing or skin limit at the one-body molded flange that protrudes from horizontal plane of establishing of the bottom of pressing plate lateral margin at this guiding device on this basis.

3, the sewing-machine foot of the improvement described in claim 2 is characterized in that this is located at the flange of pressing plate bottom lateral margin, is located at the leftward position of presser feet direction of advance.

4, the sewing-machine foot of the improvement described in claim 1 or 2, it is characterized in that this guiding device also can be further with the parallel pressing plate lateral margin that is mounted on of a batten, and slightly protrude from the pressing plate state, then can offer strip hole, can organize the wheel body of establishing turn but fit in the hole at the end face of batten.

5, the sewing-machine foot of the improvement described in claim 1, the shape that it is characterized in that this slotted eye is to be the type shape design of corresponding wheels, and can be rectangle or arc-shaped slot, or can be the mouth of leading that the spacing state is offered small size in the contour one of one of long rectangular channel side, and the slotted eye interior sidewall surface suitably highly correspondence lead the small cylindrical tank that horizontal axis is offered in mouthful position, with the installing of corresponding wheels.

6, the sewing-machine foot of the improvement described in claim 1, it is characterized in that these wheels can be the wheel tube of a hollow, solid in slotted eye with the latch pin, or can be provided with by the spheroid wheels, or to have the wheels of two sides extension pivot, correspondence has the slotted eye of leading mouth and small cylindrical tank and is pivoted.

7, the sewing-machine foot of the improvement described in claim 1 or 6 is characterized in that the suitable thickness that is slightly larger than pressing plate of circular diameter of these wheels, and slightly protrudes from the slotted eye upper and lower position.